Plate Tectonics -key Words

Question 0

Conservative (transform)

Answer 0

Plates slide past each other i.e San Andreas fault

Question 1

Divergent (constructive)

Answer 1

Plates move away from each other forming new land i.e Rift Valley in Africa and Iceland

Question 2

Convergent (destructive)

Answer 2

Plates move towards each other often causing earthquakes and volcanic activity

Question 3

Crustal upwarping

Answer 3

Molten magma rising upwards through the asthenosphere forcing up the earths crust

Question 4

Tectonic plates

Answer 4

Seven large and several smaller plates moving on underlying convection currents of a partly molten asthenosphere

Question 5

Benioff zone

Answer 5

Area where the sub ducting can drag down the less dense plate causing powerful earthquakes